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Understanding the Rails Authenticity Token
... value of this token must be added to every layout that renders
forms by including csrf_meta_tags in the HTML head.
Notes
Keep in mind, Rails only verifies not idempotent methods (POST, PUT/PATCH and DELETE). GET request are not checked for authenticity token. Why? because the HTTP specificatio...
Why can't I use the 'await' operator within the body of a lock statement?
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Why can templates only be implemented in the header file?
...then implement the class in an implementation file (for example .tpp), and include this implementation file at the end of the header.
Foo.h
template <typename T>
struct Foo
{
void doSomething(T param);
};
#include "Foo.tpp"
Foo.tpp
template <typename T>
void Foo<T>::doSom...
How can I get “Copy to Output Directory” to work with Unit Tests?
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The following works in VS2012 for test projects included in multiple solutions without using a testsettings file:
1) Arrange the files and folders you wish to deploy into a folder in the test project directory.
2) In the project properties, create a post build step
xcop...
In C++, what is a virtual base class?
...s:
A
/ \
B C
\ /
D
An instance of D will be made up of B, which includes A, and C which also includes A. So you have two "instances" (for want of a better expression) of A.
When you have this scenario, you have the possibility of ambiguity. What happens when you do this:
D d;
d.Foo(); /...
How to quit a java app from within the program
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System.exit(int i) is to be used, but I would include it inside a more generic shutdown() method, where you would include "cleanup" steps as well, closing socket connections, file descriptors, then exiting with System.exit(x).
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Conditionally use 32/64 bit reference when building in Visual Studio
...you make changes such as the following:
<ItemGroup>
<Reference Include="Leadtools, Version=16.5.0.0, Culture=neutral, PublicKeyToken=9cf889f53ea9b907, processorArchitecture=x86">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\..\Lib\Leadtools\$(Current...
What's the difference between git clone --mirror and git clone --bare
... branches of the source to local branches of the target, it maps all refs (including remote branches, notes etc.) and sets up a refspec configuration such that all these refs are overwritten by a git remote update in the target repository.
My original answer also noted the differences between a ba...